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content/operate/rs/release-notes/rs-6-4-2-releases/rs-6-4-2-127.md
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| Title: Redis Enterprise Software release notes 6.4.2-127 (June 2025) | ||
| alwaysopen: false | ||
| categories: | ||
| - docs | ||
| - operate | ||
| - rs | ||
| compatibleOSSVersion: Redis 6.2.10 | ||
| description: Internal fixes and improvements. | ||
| linkTitle: 6.4.2-127 (June 2025) | ||
| weight: 62 | ||
| --- | ||
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| This is a maintenance release for [Redis Enterprise Software version 6.4.2](https://redis.io/downloads/#software). | ||
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| ## Highlights | ||
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| This version offers: | ||
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| - Internal fixes and improvements | ||
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| ## New in this release | ||
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| ### Redis modules | ||
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| Redis Enterprise Software version 6.4.2-127 includes the following Redis Stack modules: | ||
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| - [RediSearch v2.6]({{< relref "operate/oss_and_stack/stack-with-enterprise/release-notes/redisearch/redisearch-2.6-release-notes" >}}) | ||
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| - [RedisJSON v2.4]({{< relref "operate/oss_and_stack/stack-with-enterprise/release-notes/redisjson/redisjson-2.4-release-notes" >}}) | ||
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| - [RedisBloom v2.4]({{< relref "operate/oss_and_stack/stack-with-enterprise/release-notes/redisbloom/redisbloom-2.4-release-notes" >}}) | ||
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| - [RedisGraph v2.10]({{< relref "operate/oss_and_stack/stack-with-enterprise/release-notes/redisgraph/redisgraph-2.10-release-notes" >}}) | ||
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| - [RedisTimeSeries v1.8]({{< relref "operate/oss_and_stack/stack-with-enterprise/release-notes/redistimeseries/redistimeseries-1.8-release-notes" >}}) | ||
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| ## Version changes | ||
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| ### Supported platforms | ||
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| The following table provides a snapshot of supported platforms as of this Redis Software release. See the [supported platforms reference]({{< relref "/operate/rs/references/supported-platforms" >}}) for more details about operating system compatibility. | ||
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| <span title="Check mark icon">✅</span> Supported – The platform is supported for this version of Redis Enterprise Software and Redis Stack modules. | ||
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| <span title="Warning icon" class="font-serif">:warning:</span> Deprecation warning – The platform is still supported for this version of Redis Enterprise Software, but support will be removed in a future release. | ||
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| | Redis Software<br />major versions | 7.22 | 7.8 | 7.4 | 7.2 | 6.4 | 6.2 | | ||
| |---------------------------------|:-----:|:-----:|:-----:|:-----:|:-----:|:-----:| | ||
| | **Release date** | May 2025 | Nov 2024 | Feb 2024 | Aug 2023 | Feb 2023 | Aug 2021 | | ||
| | [**End-of-life date**]({{< relref "/operate/rs/installing-upgrading/product-lifecycle#endoflife-schedule" >}}) | Determined after<br />next major release | May 2027 | Nov 2026 | Feb 2026 | Aug 2025 | Feb 2025 | | ||
| | **Platforms** | | | | | | | | ||
| | RHEL 9 &<br />compatible distros<sup>[1](#table-note-1)</sup> | <span title="Supported">✅</span> | <span title="Supported">✅</span> | <span title="Supported">✅</span> | – | – | – | | ||
| | RHEL 9<br />FIPS mode<sup>[5](#table-note-5)</sup> | <span title="Supported">✅</span> | <span title="Supported">✅</span> | – | – | – | – | | ||
| | RHEL 8 &<br />compatible distros<sup>[1](#table-note-1)</sup> | <span title="Supported">✅</span> | <span title="Supported">✅</span> | <span title="Supported">✅</span> | <span title="Supported">✅</span> | <span title="Supported">✅</span> | <span title="Supported">✅</span> | | ||
| | RHEL 7 &<br />compatible distros<sup>[1](#table-note-1)</sup> | – | – | – | <span title="Deprecated" class="font-serif">:warning:</span> | <span title="Supported">✅</span> | <span title="Supported">✅</span> | | ||
| | Ubuntu 22.04<sup>[2](#table-note-2)</sup> | <span title="Supported">✅</span> | <span title="Supported">✅</span> | – | – | – | – | | ||
| | Ubuntu 20.04<sup>[2](#table-note-2)</sup> | <span title="Supported">✅</span> | <span title="Supported">✅</span> | <span title="Supported">✅</span> | <span title="Supported">✅</span> | <span title="Supported">✅</span> | – | | ||
| | Ubuntu 18.04<sup>[2](#table-note-2)</sup> | – | – | <span title="Deprecated" class="font-serif">:warning:</span> | <span title="Deprecated" class="font-serif">:warning:</span> | <span title="Supported">✅</span> | <span title="Supported">✅</span> | | ||
| | Ubuntu 16.04<sup>[2](#table-note-2)</sup> | – | – | – | <span title="Deprecated" class="font-serif">:warning:</span> | <span title="Supported">✅</span> | <span title="Supported">✅</span> | | ||
| | Amazon Linux 2 | <span title="Supported">✅</span> | <span title="Supported">✅</span> | <span title="Supported">✅</span> | <span title="Supported">✅</span> | <span title="Supported">✅</span> | – | | ||
| | Amazon Linux 1 | – | – | – | <span title="Supported">✅</span> | <span title="Supported">✅</span> | <span title="Supported">✅</span> | | ||
| | Kubernetes<sup>[3](#table-note-3)</sup> | <span title="Supported">✅</span> | <span title="Supported">✅</span> | <span title="Supported">✅</span> | <span title="Supported">✅</span> | <span title="Supported">✅</span> | <span title="Supported">✅</span> | | ||
| | Docker<sup>[4](#table-note-4)</sup> | <span title="Supported">✅</span> | <span title="Supported">✅</span> | <span title="Supported">✅</span> | <span title="Supported">✅</span> | <span title="Supported">✅</span> | <span title="Supported">✅</span> | | ||
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| 1. <a name="table-note-1"></a>The RHEL-compatible distributions CentOS, CentOS Stream, Alma, and Rocky are supported if they have full RHEL compatibility. Oracle Linux running the Red Hat Compatible Kernel (RHCK) is supported, but the Unbreakable Enterprise Kernel (UEK) is not supported. | ||
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| 2. <a name="table-note-2"></a>The server version of Ubuntu is recommended for production installations. The desktop version is only recommended for development deployments. | ||
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| 3. <a name="table-note-3"></a>See the [Redis Enterprise for Kubernetes documentation]({{< relref "/operate/kubernetes/reference/supported_k8s_distributions" >}}) for details about support per version and Kubernetes distribution. | ||
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| 4. <a name="table-note-4"></a>[Docker images]({{< relref "/operate/rs/installing-upgrading/quickstarts/docker-quickstart" >}}) of Redis Enterprise Software are certified for development and testing only. | ||
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| 5. <a name="table-note-5"></a>Supported only if [FIPS was enabled during RHEL installation](https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/9/html/security_hardening/switching-rhel-to-fips-mode_security-hardening#proc_installing-the-system-with-fips-mode-enabled_switching-rhel-to-fips-mode) to ensure FIPS compliance. | ||
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| ## Downloads | ||
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| The following table shows the MD5 checksums for the available packages: | ||
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| | Package | MD5 checksum (6.4.2-127 June release) | | ||
| |---------|---------------------------------------| | ||
| | Ubuntu 16 | a7f5838f86a08bdc9bdac7cefdb45b5d | | ||
| | Ubuntu 18 | ca5e7852ce6f85aa5d7e6d31df6eba62 | | ||
| | Ubuntu 20 | a88ca5b0a38f7cac661a873c2a02fb3d | | ||
| | Red Hat Enterprise Linux (RHEL) 7 | 58ab0ba78bd2752607cbc0f1e5ae0900 | | ||
| | Red Hat Enterprise Linux (RHEL) 8 | 75c885e70bff697e33733783ff488a97 | | ||
| | Amazon Linux 2 | cb8ba0e4105dd926b8709dfd20d31cee | | ||
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| ## Security | ||
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| #### Open source Redis security fixes compatibility | ||
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| As part of Redis's commitment to security, Redis Enterprise Software implements the latest [security fixes](https://github.com/redis/redis/releases) available with [open source Redis](https://github.com/redis/redis). Redis Enterprise has already included the fixes for the relevant CVEs. | ||
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| Some CVEs announced for open source Redis do not affect Redis Enterprise due to different or additional functionality available in Redis Enterprise that is not available in open source Redis. | ||
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| Redis Enterprise 6.4.2-127 supports open source Redis 6.2 and 6.0. Below is the list of open source Redis CVEs fixed by version. | ||
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| Redis 6.2.x: | ||
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| - (CVE-2025-21605) An unauthenticated client can cause unlimited growth of output buffers until the server runs out of memory or is terminated, which can lead to denial-of-service. | ||
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| - (CVE-2024-31449) An authenticated user may use a specially crafted Lua script to trigger a stack buffer overflow in the bit library, which may potentially lead to remote code execution. | ||
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| - (CVE-2024-31228) An authenticated user can trigger a denial-of-service by using specially crafted, long string match patterns on supported commands such as `KEYS`, `SCAN`, `PSUBSCRIBE`, `FUNCTION LIST`, `COMMAND LIST`, and ACL definitions. Matching of extremely long patterns may result in unbounded recursion, leading to stack overflow and process crashes. | ||
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| - (CVE-2023-45145) The wrong order of listen(2) and chmod(2) calls creates a | ||
| race condition that can be used by another process to bypass desired Unix | ||
| socket permissions on startup. (Redis 6.2.14) | ||
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| - (CVE-2023-28856) Authenticated users can use the `HINCRBYFLOAT` command to create an invalid hash field that will crash Redis on access. (Redis 6.2.12) | ||
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| - (CVE-2023-25155) Specially crafted `SRANDMEMBER`, `ZRANDMEMBER`, and `HRANDFIELD` commands can trigger an integer overflow, resulting in a runtime assertion and termination of the Redis server process. (Redis 6.2.11) | ||
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| - (CVE-2023-22458) Integer overflow in the Redis `HRANDFIELD` and `ZRANDMEMBER` commands can lead to denial-of-service. (Redis 6.2.9) | ||
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| - (CVE-2022-36021) String matching commands (like `SCAN` or `KEYS`) with a specially crafted pattern to trigger a denial-of-service attack on Redis, can cause it to hang and consume 100% CPU time. (Redis 6.2.11) | ||
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| - (CVE-2022-35977) Integer overflow in the Redis `SETRANGE` and `SORT`/`SORT_RO` commands can drive Redis to OOM panic. (Redis 6.2.9) | ||
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| - (CVE-2022-24834) A specially crafted Lua script executing in Redis can trigger a heap overflow in the cjson and cmsgpack libraries, and result in heap corruption and potentially remote code execution. The problem exists in all versions of Redis with Lua scripting support, starting from 2.6, and affects only authenticated and authorized users. (Redis 6.2.13) | ||
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| - (CVE-2022-24736) An attacker attempting to load a specially crafted Lua script can cause NULL pointer dereference which will result in a crash of the `redis-server` process. This issue affects all versions of Redis. (Redis 6.2.7) | ||
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| - (CVE-2022-24735) By exploiting weaknesses in the Lua script execution environment, an attacker with access to Redis can inject Lua code that will execute with the (potentially higher) privileges of another Redis user. (Redis 6.2.7) | ||
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| - (CVE-2021-41099) Integer to heap buffer overflow can occur when handling certain string commands and network payloads, when `proto-max-bulk-len` is manually configured to a non-default, very large value. (Redis 6.2.6) | ||
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| - (CVE-2021-32762) Integer to heap buffer overflow issue in `redis-cli` and `redis-sentinel` can occur when parsing large multi-bulk replies on some older and less common platforms. (Redis 6.2.6) | ||
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| - (CVE-2021-32761) An integer overflow bug in Redis version 2.2 or newer can be exploited using the `BITFIELD` command to corrupt the heap and potentially result with remote code execution. (Redis 6.2.5) | ||
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| - (CVE-2021-32687) Integer to heap buffer overflow with intsets, when `set-max-intset-entries` is manually configured to a non-default, very large value. (Redis 6.2.6) | ||
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| - (CVE-2021-32675) Denial Of Service when processing RESP request payloads with a large number of elements on many connections. (Redis 6.2.6) | ||
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| - (CVE-2021-32672) Random heap reading issue with Lua Debugger. (Redis 6.2.6) | ||
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| - (CVE-2021-32628) Integer to heap buffer overflow handling ziplist-encoded data types, when configuring a large, non-default value for `hash-max-ziplist-entries`, `hash-max-ziplist-value`, `zset-max-ziplist-entries` or `zset-max-ziplist-value`. (Redis 6.2.6) | ||
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| - (CVE-2021-32627) Integer to heap buffer overflow issue with streams, when configuring a non-default, large value for `proto-max-bulk-len` and `client-query-buffer-limit`. (Redis 6.2.6) | ||
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| - (CVE-2021-32626) Specially crafted Lua scripts may result with Heap buffer overflow. (Redis 6.2.6) | ||
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| - (CVE-2021-32625) An integer overflow bug in Redis version 6.0 or newer can be exploited using the STRALGO LCS command to corrupt the heap and potentially result with remote code execution. This is a result of an incomplete fix by CVE-2021-29477. (Redis 6.2.4) | ||
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| - (CVE-2021-29478) An integer overflow bug in Redis 6.2 could be exploited to corrupt the heap and potentially result with remote code execution. The vulnerability involves changing the default set-max-intset-entries configuration value, creating a large set key that consists of integer values and using the COPY command to duplicate it. The integer overflow bug exists in all versions of Redis starting with 2.6, where it could result with a corrupted RDB or DUMP payload, but not exploited through COPY (which did not exist before 6.2). (Redis 6.2.3) | ||
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| - (CVE-2021-29477) An integer overflow bug in Redis version 6.0 or newer could be exploited using the STRALGO LCS command to corrupt the heap and potentially result in remote code execution. The integer overflow bug exists in all versions of Redis starting with 6.0. (Redis 6.2.3) | ||
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| Redis 6.0.x: | ||
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| - (CVE-2022-24834) A specially crafted Lua script executing in Redis can trigger a heap overflow in the cjson and cmsgpack libraries, and result in heap corruption and potentially remote code execution. The problem exists in all versions of Redis with Lua scripting support, starting from 2.6, and affects only authenticated and authorized users. (Redis 6.0.20) | ||
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| - (CVE-2023-28856) Authenticated users can use the `HINCRBYFLOAT` command to create an invalid hash field that will crash Redis on access. (Redis 6.0.19) | ||
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| - (CVE-2023-25155) Specially crafted `SRANDMEMBER`, `ZRANDMEMBER`, and `HRANDFIELD` commands can trigger an integer overflow, resulting in a runtime assertion and termination of the Redis server process. (Redis 6.0.18) | ||
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| - (CVE-2022-36021) String matching commands (like `SCAN` or `KEYS`) with a specially crafted pattern to trigger a denial-of-service attack on Redis, causing it to hang and consume 100% CPU time. (Redis 6.0.18) | ||
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| - (CVE-2022-35977) Integer overflow in the Redis `SETRANGE` and `SORT`/`SORT_RO` commands can drive Redis to OOM panic. (Redis 6.0.17) | ||
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This link goes to a card for 7.22.0, but I don't see a way to get to 6.4.2.
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My understanding is that the download center technically only provides the latest release for RS, so 7.22 in this case. I guess I could just remove the link.